package com.atguigu.eduorder.service.impl;


import com.alibaba.fastjson.JSONObject;
import com.atguigu.eduorder.entity.Order;
import com.atguigu.eduorder.entity.PayLog;
import com.atguigu.eduorder.mapper.PayLogMapper;
import com.atguigu.eduorder.service.OrderService;
import com.atguigu.eduorder.service.PayLogService;
import com.atguigu.eduorder.utils.HttpClient;
import com.atguigu.servicebase.exceptionhandler.GuliException;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.github.wxpay.sdk.WXPayUtil;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.math.BigDecimal;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;

/**
 * <p>
 * 支付日志表 服务实现类
 * </p>
 *
 * @author testjava
 * @since 2021-04-20
 */
@Service
public class PayLogServiceImpl extends ServiceImpl<PayLogMapper, PayLog> implements PayLogService {

    @Autowired
    private OrderService orderService;

    //1.生成微信支付二维码的接口
    @Override
    public Map createNative(String orderNo) {
         try {
             //根据订单id获取订单信息
             QueryWrapper<Order> wrapper = new QueryWrapper<>();
             wrapper.eq("order_no",orderNo);
             Order order = orderService.getOne(wrapper);


             //1、设置支付参数
             Map m = new HashMap();
             m.put("appid", "wx74862e0dfcf69954");
             m.put("mch_id", "1558950191");
             m.put("nonce_str", WXPayUtil.generateNonceStr());
             m.put("body", order.getCourseTitle());
             m.put("out_trade_no", orderNo);
             m.put("total_fee", order.getTotalFee().multiply(new BigDecimal("100")).longValue()+"");
             m.put("spbill_create_ip", "127.0.0.1");
             m.put("notify_url", "http://guli.shop/api/order/weixinPay/weixinNotify\n");
             m.put("trade_type", "NATIVE");


             //2、HTTPClient来根据URL访问第三方接口并且传递参数
             HttpClient client = new HttpClient("https://api.mch.weixin.qq.com/pay/unifiedorder");
             //client设置参数
             client.setXmlParam(WXPayUtil.generateSignedXml(m,"T6m9iK73b0kn9g5v426MKfHQH7X8rKwb"));
             client.setHttps(true);
             client.post();

             //3、返回第三方的数据
             String xml = client.getContent();
             Map<String, String> resultMap = WXPayUtil.xmlToMap(xml);

             //4、封装返回结果集
             Map map = new HashMap<>();
             map.put("out_trade_no", orderNo);
             map.put("course_id", order.getCourseId());
             map.put("total_fee", order.getTotalFee());
             map.put("result_code", resultMap.get("result_code"));
             map.put("code_url", resultMap.get("code_url"));


             //微信支付二维码2小时过期，可采取2小时未支付取消订单
             //redisTemplate.opsForValue().set(orderNo, map, 120, TimeUnit.MINUTES);
             return map;

         }catch (Exception e){
             throw new GuliException(20001,"生成二维码失败");
         }
    }

    //查询订单支付状态
    @Override
    public Map<String, String> queryPayStatus(String orderNo) {
        try {
            //1、封装参数
            Map m = new HashMap<>();
            m.put("appid", "wx74862e0dfcf69954");
            m.put("mch_id", "1558950191");
            m.put("out_trade_no", orderNo);
            m.put("nonce_str", WXPayUtil.generateNonceStr());


            //2、设置请求
            HttpClient client = new HttpClient("https://api.mch.weixin.qq.com/pay/orderquery");
            client.setXmlParam(WXPayUtil.generateSignedXml(m, "T6m9iK73b0kn9g5v426MKfHQH7X8rKwb"));
            client.setHttps(true);
            client.post();

            //3、返回第三方的数据
            String xml = client.getContent();
            Map<String, String> resultMap = WXPayUtil.xmlToMap(xml);

            //6、转成Map
            //7、返回
            return resultMap;
        } catch (Exception e) {
            e.printStackTrace();
            throw new GuliException(20001,"查询订单失败");
        }
    }

    //添加祝福记录和更新状态
    @Override
    public void UpdateOrderStatus(Map<String, String> map) {
        //map获取订单号
        String orderNo= map.get("out_trade_no");
        //根据订单id获取订单信息
        QueryWrapper<Order> wrapper = new QueryWrapper<>();
        wrapper.eq("order_no",orderNo);
        Order order = orderService.getOne(wrapper);

        //更新订单表订单状态
        if(order.getStatus().intValue()==1){
            return;
        }
        order.setStatus(1);//1的话代表已经支付
        orderService.updateById(order);

        //向支付表里面添加支付记录
        PayLog payLog=new PayLog();
        payLog.setOrderNo(order.getOrderNo());//支付订单号
        payLog.setPayTime(new Date());//订单完成的时间
        payLog.setPayType(1);//支付类型 1.表示微信
        payLog.setTotalFee(order.getTotalFee());//总金额(分)
        payLog.setTradeState(map.get("trade_state"));//支付状态
        payLog.setTransactionId(map.get("transaction_id"));
        payLog.setAttr(JSONObject.toJSONString(map));

        baseMapper.insert(payLog);//插入到支付日志表
    }
}
